Download e-book for iPad: Basic statistics and epidemiology: a practical guide by Antony Stewart

By Antony Stewart

ISBN-10: 1498783546

ISBN-13: 9781498783545

Basic facts and Epidemiology is a simple primer in uncomplicated facts that emphasizes its useful use in epidemiology and public healthiness, offering an knowing of crucial themes akin to examine layout, info research and statistical equipment utilized in the execution of scientific learn.

Assuming no earlier wisdom, the readability of the textual content and care of presentation determine these new to, or challenged by means of, those issues are given a radical creation with out being crushed by means of pointless element. An realizing and appreciation of records is valuable to making sure that pro perform is predicated at the top on hand facts, with the intention to deal with and aid so much accurately the broader neighborhood. through interpreting this booklet, scholars, researchers, medical professionals, nurses and overall healthiness managers could have the information essential to comprehend and practice the instruments of data and epidemiology to their very own practice.

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Extra info for Basic statistics and epidemiology: a practical guide

Example text

3%) This is called the rule of addition or the additive rule. TO CALCULATE THE PROBABILITY OF EITHER EVENT (A) OR EVENT (B) HAPPENING (WHERE THE EVENTS ARE NOT MUTUALLY EXCLUSIVE) Suppose that a local study finds that 90% of people aged over 60 years in Epitown suffer from at least one common cold during a 1-year period, and 20% suffer from heartburn at least once. What is the probability that any person over 60 years of age will suffer from either common cold or heartburn? We shall assume that common cold and heartburn occur independently of each other.

TO CALCULATE THE PROBABILITY OF EITHER EVENT (A) OR EVENT (B) HAPPENING (WHERE THE EVENTS ARE NOT MUTUALLY EXCLUSIVE) Suppose that a local study finds that 90% of people aged over 60 years in Epitown suffer from at least one common cold during a 1-year period, and 20% suffer from heartburn at least once. What is the probability that any person over 60 years of age will suffer from either common cold or heartburn? We shall assume that common cold and heartburn occur independently of each other. 1.

E. = p(1 − p ) n where p = proportion and n = sample size. g. for comparing proportions in two independent groups, where the sample size is large), and these are covered by several other texts. Standard error formulae for small samples are presented in Chapter 15. 1. This is known as the normal distribution (also called the Gaussian distribution). The least frequently recorded heights lie at the two extremes of the curve. It can be seen that very few women are extremely short or extremely tall.

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Basic statistics and epidemiology: a practical guide by Antony Stewart


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